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CaCO(3)(s) hArr CaO(s)+CO(2)(g) in close...

`CaCO_(3)(s) hArr CaO(s)+CO_(2)(g)` in closed container at equilibrium. What would be the effect of addition of `CaCO_(3)` on the equilibrium concentration of `CO_(2)`.

A

Increases

B

Decreases

C

Data is not sufficient

D

Remains unaffected

Text Solution

Verified by Experts

The correct Answer is:
D
`CaCO_(3)(s) hArr CaO(s)+CO_(2)(g)`
`K_(c)=P_(CO_(2))`, therefore, `K_(c)` only depends upon concentration of `CO_(2)` as long as temperature remains constants and both `CaCO_(3)(s)` and `CaO(s)` are present.
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